CN109943985A - A kind of sewing machine bottom roller feeding reversing mechanism - Google Patents
A kind of sewing machine bottom roller feeding reversing mechanism Download PDFInfo
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- CN109943985A CN109943985A CN201910086228.XA CN201910086228A CN109943985A CN 109943985 A CN109943985 A CN 109943985A CN 201910086228 A CN201910086228 A CN 201910086228A CN 109943985 A CN109943985 A CN 109943985A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 43
- 238000009958 sewing Methods 0.000 title claims abstract description 19
- 230000007306 turnover Effects 0.000 claims abstract description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052742 iron Inorganic materials 0.000 claims abstract description 14
- 238000012549 training Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 210000000515 tooth Anatomy 0.000 description 110
- 229910000831 Steel Inorganic materials 0.000 description 39
- 239000010959 steel Substances 0.000 description 39
- 238000010586 diagram Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The invention discloses a kind of sewing machine bottom roller feeding reversing mechanisms, driving shaft does positive and negative rotation campaign, shackle member is driven to swing, pull rod in shackle member pulls unidirectional Bearing to one-directionally rotate, to drive first driven shaft to rotate, the first umbrella tooth band moving gear in first driven shaft rotates, gear drives second driven shaft rotation, second driven shaft upper end is feeding mechanism, at this time, feeding mechanism forward direction feeding, opening backstitches battery iron, turnover panel lower end is backstitched the pulling of battery iron and is stirred, turnover panel is around the point overturning being hinged in vertical plate, turnover panel upper end pulls first driven shaft, to which the first umbrella tooth be separated with gear, second umbrella tooth is engaged with gear, after second umbrella tooth is engaged with gear, second driven shaft rotates backward, to drive feeding mechanism to reverse, completion backstitches.Increase a casing in unidirectional Bearing, casing is synchronous with unidirectional Bearing, by the cooperation of long hole and positioning pin, the case where skidding there is no unidirectional Bearing.
Description
Technical field:
The present invention relates to technical field of sewing machines, and in particular to a kind of sewing machine bottom roller feeding reversing mechanism.
Background technique:
General sewing machine has the necessity backstitched in operation, as long as by working substance mistake when small-sized working substance will backstitch
Come, but large-scale or thick big working substance just can not be inverted.Common industrial sewing machines are equipped with Backsewing unit, fall
Seam device is to change conveying and related system using a series of change gear device and carry out and backstitch, such device is no doubt
Also it can be used, only construction is complicated, and manufacturing cost is big, while the easily raw failure of gear change system, operation have some setbacks.
Summary of the invention:
The object of the present invention is to provide a kind of sewing machine bottom roller feeding reversing mechanisms.
The following technical solution is employed for the technical problems to be solved by the invention to realize:
A kind of sewing machine bottom roller feeding reversing mechanism, including,
Rack, the rack include that chassis, the shaft holder being arranged under chassis, electromagnet bracket and setting exist
Vertical frame on chassis；
Driving shaft, the driving shaft are arranged in the active shaft holder, and driving shaft one end connects power source, the other end
Shackle member is connected, is flexibly connected pull rod in shackle member, the pull rod other end is connected on unidirectional Bearing, and the driving shaft does positive and negative rotation
Movement；
First driven shaft, in first driven shaft, first driven shaft is located in shaft holder the unidirectional Peilin-cover, the
One driven shaft is equipped with opposite the first umbrella tooth and the second umbrella tooth；
Second driven shaft, the second driven shaft are located in vertical frame, and pass through chassis, and second driven shaft lower end is equipped with
Gear, and gear, between the first umbrella tooth and the second umbrella tooth, gear is engaged with the first umbrella tooth or the second umbrella tooth；
The second driven shaft upper end connects feeding mechanism.
First umbrella tooth and the second umbrella tooth is fixed in first driven shaft.
The feeding mechanism includes third umbrella tooth, drawing-inroller and drawing-inroller fixing piece, and wherein drawing-inroller fixing piece is fixed on
Vertical frame top, drawing-inroller fixing piece are equipped with bearing, and third umbrella tooth is fixed on the top of second driven shaft, in the drawing-inroller
The heart is equipped with axis, and axis passes through bearing, and drawing-inroller side is equipped with tooth, the tooth engagement of third umbrella tooth and drawing-inroller side wall.
Commutate component, and the commutation component includes backstitching electromagnet, turnover panel and axle sleeve；The electromagnet that backstitches is fixed on electricity
In magnet carrier, the shaft holder front end is equipped with vertical plate, is hinged with turnover panel in vertical plate, and turnover panel is hinged in vertical plate,
Described first driven shaft one end passes through vertical plate, and is cased with axle sleeve, and axle sleeve is equipped with annular groove, and the turnover panel upper end, which is equipped with, to be slided
Block is stuck in annular groove, and the electromagnet that backstitches is hinged on turnover panel lower end；
Wherein driving shaft does positive and negative rotation campaign, and shackle member is driven to swing, and the pull rod in shackle member pulls unidirectional Bearing to make list
To rotation, so that first driven shaft be driven to rotate, the first umbrella tooth band moving gear in first driven shaft is rotated, and gear drives second
Driven shaft rotation, second driven shaft upper end are feeding mechanism, at this point, feeding mechanism forward direction feeding, opening backstitches battery iron, turnover panel
Lower end is backstitched the pulling of battery iron and is stirred, and turnover panel pulls first driven shaft around the point overturning being hinged in vertical plate, turnover panel upper end,
To separate the first umbrella tooth with gear, the second umbrella tooth is engaged with gear, and after the second umbrella tooth is engaged with gear, second driven shaft is anti-
To rotation, so that feeding mechanism be driven to reverse, complete to backstitch.
Casing is fixed in the unidirectional Bearing, casing is equipped with lateral long hole, and the first driven shaft is equipped with fixed
Position pin, positioning pin are located in lateral long hole.
Described sleeve pipe is equipped with slot, and unidirectional Bearing inner wall is equipped with convex block, and convex block is stuck in slot, completes casing and unidirectional Bearing
Be fixedly connected.
Another structure of the invention are as follows: a kind of sewing machine bottom roller feeding reversing mechanism, including,
Rack, the rack include that chassis, the shaft holder being arranged under chassis, electromagnet bracket and setting exist
Vertical frame on chassis；
Driving shaft, the driving shaft are arranged in the active shaft holder, and driving shaft one end connects power source, the other end
Shackle member is connected, is flexibly connected pull rod in shackle member, the pull rod other end is connected on unidirectional Bearing, and the driving shaft does positive and negative rotation
Movement；
First driven shaft, in first driven shaft, first driven shaft is located in shaft holder the unidirectional Peilin-cover, the
One driven shaft is equipped with opposite the first umbrella tooth and the second umbrella tooth；The first driven shaft is hollow shaft, is equipped in hollow shaft interior
Axis, inner shaft one end are equipped with annular groove, and inner shaft back segment is connect with commutation component；First umbrella tooth is equipped with the second umbrella tooth inner wall
Inside groove, inside groove are axial groove, and hollow shaft front end is set there are two hole, and placement steel ball in hole, two steel balls respectively correspond the first umbrella tooth
With the second umbrella tooth inside groove, and the diameter length of the spacing of two steel balls 1.5 times of steel balls at least shorter than the groove width of annular groove；
Second driven shaft, the second driven shaft are located in vertical frame, and pass through chassis, and second driven shaft lower end is equipped with
Gear, and gear, between the first umbrella tooth and the second umbrella tooth, gear is engaged with the first umbrella tooth and the second umbrella tooth；
The second driven shaft upper end connects feeding mechanism.
First umbrella tooth and the second umbrella tooth clearance fit cover in first driven shaft.
The feeding mechanism includes third umbrella tooth, drawing-inroller and drawing-inroller fixing piece, and wherein drawing-inroller fixing piece is fixed on
Vertical frame top, drawing-inroller fixing piece are equipped with bearing, and third umbrella tooth is fixed on the top of second driven shaft, in the drawing-inroller
The heart is equipped with axis, and axis passes through bearing, and drawing-inroller side is equipped with tooth, the tooth engagement of third umbrella tooth and drawing-inroller side wall.
Commutate component, and the commutation component includes backstitching electromagnet, turnover panel and axle sleeve；The electromagnet that backstitches is fixed on electricity
In magnet carrier, the shaft holder front end is equipped with vertical plate, is hinged with turnover panel in vertical plate, and turnover panel is hinged in vertical plate,
The inner shaft other end passes through vertical plate, and is cased with axle sleeve, and axle sleeve is equipped with annular groove, and the turnover panel upper end is equipped with sliding block card
In annular groove, the electromagnet that backstitches is hinged on turnover panel lower end；
Wherein driving shaft does positive and negative rotation campaign, and shackle member is driven to swing, and the pull rod in shackle member pulls unidirectional Bearing to make list
To rotation, so that first driven shaft be driven to rotate, (one of steel ball is located at ring to the tooth band moving gear rotation in first driven shaft
Outside connected in star, another steel ball is located in annular groove, at this point, the steel ball being located in annular groove withstands on the inside groove of umbrella tooth, band
Move umbrella tooth rotation, another steel ball umbrella tooth is located in annular groove, be detached from the inside groove of another umbrella tooth, another umbrella tooth with
Gear idle running), gear drives second driven shaft rotation, and second driven shaft upper end is feeding mechanism, at this point, feeding mechanism forward direction is sent
Material, opening backstitch battery iron, and turnover panel lower end is backstitched the pulling of battery iron and stirred, and turnover panel is overturn around the point being hinged in vertical plate,
Turnover panel upper end pulls inner shaft, and the annular groove position of inner shaft moves, thus by two steel balls and annular groove in inner shaft
Position be changed, fallen in annular groove under the steel ball outside annular groove, steel ball in annular groove rises
To outside annular groove, the alternating of the first umbrella tooth tooth and the second umbrella tooth is completed, second driven shaft rotates backward, to drive feeding
Mechanism is reversed, and completes to backstitch.
The cell wall of the annular groove is inclined-plane, the spacing of two steel balls short 2 times of steel balls wider than the slot bottom of annular groove
Diameter length.When guaranteeing that one of steel ball is risen to outside annular groove, another steel ball drops to annular groove slot bottom, avoids
The case where tooth is beaten in appearance, meanwhile, 2 times of length can occur certain in a flash, and two steel balls are all in annular groove slot bottom, two umbrellas
After tooth parking, gear and umbrella tooth parking are stablized, a umbrella tooth is then quickly accessed, avoids the occurrence of umbrella tooth as gear rotates forward
When, unexpected steel ball insertion beats tooth situation caused by the rotation of emergency brake approach axis.
The invention has the benefit that
Feeding can be realized using bowline structure and backstitched, be powered when needing, it is simple and effective；
Previous unidirectional Bearing and shaft clearance cooperate, and are rotated by friction band moving axis, unidirectional Bearing and shaft clearance are excessive, are easy
Causing unidirectional Bearing to skid, loses effect, gap is too small, and axis back-and-forth motion frictional force is larger, it easily wears, the present invention,
Increase a casing in unidirectional Bearing, casing is synchronous with unidirectional Bearing, and by the cooperation of long hole and positioning pin, there is no unidirectional trainings
The case where woods is skidded, meanwhile, positioning pin is moved forward and backward in long hole, completes the alternating cooperation of the first umbrella tooth and the second umbrella tooth；
One of steel ball is located at outside annular groove, another steel ball is located in annular groove, at this point, being located at annular groove
Interior steel ball withstands on the inside groove of umbrella tooth, and the umbrella tooth is driven to rotate, another steel ball umbrella tooth is located in annular groove, is detached from another
The inside groove of umbrella tooth, another umbrella tooth avoid the occurrence of the case where beating tooth with gear idle running.
Detailed description of the invention:
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing；
Fig. 1 is that 1 structure of the embodiment of the present invention faces section signal；
Fig. 2 is 1 structure axonometric schematic diagram of the embodiment of the present invention；
Fig. 3 is 1 inside configuration structural schematic diagram of the embodiment of the present invention；
Fig. 4 is 1 inside configuration axonometric schematic diagram of the embodiment of the present invention；
Fig. 5 is 1 structure front view of the embodiment of the present invention；
Fig. 6 is Example 1 and Example 2 of the present invention the structure left view；
Fig. 7 is that 2 structure of the embodiment of the present invention faces section signal；
Fig. 8 is 2 structure front view of the embodiment of the present invention；
Fig. 9 is 2 structure axonometric schematic diagram of the embodiment of the present invention；
Figure 10 is the inside axonometric schematic diagram of the embodiment of the present invention 2；
Figure 11 is the first umbrella tooth structural schematic diagram of the embodiment of the present invention 2；
In figure: 1- chassis；2- shaft holder；3- electromagnet bracket；The vertical frame of 4-；5- driving shaft；6- shackle member；7- is drawn
Bar；The unidirectional Bearing of 8-；9- first driven shaft；The first umbrella tooth of 10-；The second umbrella tooth of 11-；12- second driven shaft；13- gear；14-
Third umbrella tooth；15- drawing-inroller；16- fixing piece；17- backstitches electromagnet；18- turnover panel；19- axle sleeve；20- vertical plate；21- annular
Sliding slot；22- casing；23- transverse direction long hole；24- positioning pin；25- inner shaft；26- annular groove；27- inside groove；The hole 28-；29- steel ball.
Specific embodiment:
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
In description of the invention, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal" or
Person's positional relationship is orientation based on the figure or positional relationship, is merely for convenience of description of the present invention and simplification of the description,
Rather than the device or element of instruction or hint meaning must have a particular orientation, and are constructed and grasped with specific orientation
Make, therefore is not considered as limiting the invention.In addition, " first ", " second ", " third ", " the 4th " are only used for description mesh
, and should not be understood as indicating or implying relative importance.
In description of the invention, it is also necessary to explanation, unless otherwise specific regulation and limitation, term " setting ", " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection, can be mechanical connection, is also possible to be electrically connected, can be and be directly connected to, and be also possible to be connected by intermediary, can
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
Fig. 1-6, embodiment 1: a kind of sewing machine bottom roller feeding reversing mechanism, including,
Rack, rack include chassis 1, the shaft holder being arranged under chassis 2, electromagnet bracket 3 and are arranged in chassis
On vertical frame 4；
Driving shaft 5, driving shaft are arranged in active shaft holder, and driving shaft one end connects power source, other end connection card
Fitting 6 is flexibly connected pull rod 7 in shackle member, and the pull rod other end is connected on unidirectional Bearing 8, and driving shaft does positive and negative rotation campaign；
First driven shaft 9, in first driven shaft, first driven shaft is located in shaft holder unidirectional Peilin-cover, and first
Driven shaft is equipped with opposite the first umbrella tooth 10 and the second umbrella tooth 11；First umbrella tooth and the second umbrella tooth are fixed on first driven shaft
On.
Second driven shaft 12, second driven shaft are located in vertical frame, and pass through chassis, and second driven shaft lower end is equipped with tooth
Wheel 13, and gear, between the first umbrella tooth and the second umbrella tooth, gear is engaged with the first umbrella tooth or the second umbrella tooth；
Second driven shaft upper end connects feeding mechanism.
Feeding mechanism includes third umbrella tooth 14, drawing-inroller 15 and drawing-inroller fixing piece 16, and wherein drawing-inroller fixing piece is fixed
On vertical frame top, drawing-inroller fixing piece is equipped with bearing, and third umbrella tooth is fixed on the top of second driven shaft, drawing-inroller center
Equipped with axis, axis passes through bearing, and drawing-inroller side is equipped with tooth, the tooth engagement of third umbrella tooth and drawing-inroller side wall.
Commutate component, and commutation component includes backstitching electromagnet 17, turnover panel 18 and axle sleeve 19；It backstitches electromagnet and is fixed on electromagnetism
On iron bracket, shaft holder front end is equipped with vertical plate 20, is hinged with turnover panel in vertical plate, and turnover panel is hinged in vertical plate, and first
Driven shaft one end passes through vertical plate, and is cased with axle sleeve, and axle sleeve is equipped with annular groove 21, and turnover panel upper end is equipped with sliding block and is stuck in annular
In sliding slot, backstitches electromagnet and be hinged on turnover panel lower end；
Wherein driving shaft does positive and negative rotation campaign, and shackle member is driven to swing, and the pull rod in shackle member pulls unidirectional Bearing to make list
To rotation, so that first driven shaft be driven to rotate, the first umbrella tooth band moving gear in first driven shaft is rotated, and gear drives second
Driven shaft rotation, second driven shaft upper end are feeding mechanism, at this point, feeding mechanism forward direction feeding, opening backstitches battery iron, turnover panel
Lower end is backstitched the pulling of battery iron and is stirred, and turnover panel pulls first driven shaft around the point overturning being hinged in vertical plate, turnover panel upper end,
To separate the first umbrella tooth with gear, the second umbrella tooth is engaged with gear, and after the second umbrella tooth is engaged with gear, second driven shaft is anti-
To rotation, so that feeding mechanism be driven to reverse, complete to backstitch.
Casing 22 is fixed in unidirectional Bearing, casing is equipped with lateral long hole 23, and first driven shaft is equipped with positioning pin
24, positioning pin is located in lateral long hole.
Casing is equipped with slot, and unidirectional Bearing inner wall is equipped with convex block, and convex block is stuck in slot, and completion casing is consolidated with unidirectional Bearing
Fixed connection.
Such as Fig. 6-10, embodiment 2: a kind of sewing machine bottom roller feeding reversing mechanism, including,
Rack, rack include chassis 1, the shaft holder being arranged under chassis 2, electromagnet bracket 3 and be arranged the bottom of at
Vertical frame 4 on frame；
Driving shaft 5, driving shaft are arranged in active shaft holder, and driving shaft one end connects power source, other end connection card
Fitting 6 is flexibly connected pull rod 7 in shackle member, and the pull rod other end is connected on unidirectional Bearing 8, and driving shaft does positive and negative rotation campaign；
First driven shaft 9, in first driven shaft, first driven shaft is located in shaft holder unidirectional Peilin-cover, and first
Driven shaft is equipped with opposite the first umbrella tooth 10 and the second umbrella tooth 11；First driven shaft is hollow shaft, is equipped with inner shaft in hollow shaft
25, inner shaft one end is equipped with annular groove 26, and inner shaft back segment is connect with commutation component；First umbrella tooth and the second umbrella tooth inner wall are equipped with interior
Slot 27, inside groove are axial groove, and hollow shaft front end is set there are two hole 28, and placement steel ball 29 in hole, two steel balls respectively correspond first
Umbrella tooth and the second umbrella tooth inside groove, and the diameter length of the spacing of two steel balls 2 times of steel balls shorter than the groove width of annular groove；
First umbrella tooth and the second umbrella tooth clearance fit cover in first driven shaft.
Second driven shaft 12, second driven shaft are located in vertical frame, and pass through chassis, and second driven shaft lower end is equipped with tooth
Wheel 13, and gear, between the first umbrella tooth and the second umbrella tooth, gear is engaged with the first umbrella tooth and the second umbrella tooth；
Second driven shaft upper end connects feeding mechanism.
Feeding mechanism includes third umbrella tooth 14, drawing-inroller 15 and drawing-inroller fixing piece 16, and wherein drawing-inroller fixing piece is fixed
On vertical frame top, drawing-inroller fixing piece is equipped with bearing, and third umbrella tooth is fixed on the top of second driven shaft, drawing-inroller center
Equipped with axis, axis passes through bearing, and drawing-inroller side is equipped with tooth, the tooth engagement of third umbrella tooth and drawing-inroller side wall.
Commutate component, and commutation component includes backstitching electromagnet 17, turnover panel 18 and axle sleeve 19；It backstitches electromagnet and is fixed on electromagnetism
On iron bracket, shaft holder front end is equipped with vertical plate 20, is hinged with turnover panel in vertical plate, turnover panel is hinged in vertical plate, inner shaft
The other end passes through vertical plate, and is cased with axle sleeve, and axle sleeve is equipped with annular groove 21, and turnover panel upper end is equipped with sliding block and is stuck in annular groove
In 21, backstitches electromagnet and be hinged on turnover panel lower end；
Wherein driving shaft does positive and negative rotation campaign, and shackle member is driven to swing, and the pull rod in shackle member pulls unidirectional Bearing to make list
To rotation, so that first driven shaft be driven to rotate, (one of steel ball is located at ring to the tooth band moving gear rotation in first driven shaft
Outside connected in star, another steel ball is located in annular groove, at this point, the steel ball being located in annular groove withstands on the inside groove of umbrella tooth, band
Move umbrella tooth rotation, another steel ball umbrella tooth is located in annular groove, be detached from the inside groove of another umbrella tooth, another umbrella tooth with
Gear idle running), gear drives second driven shaft rotation, and second driven shaft upper end is feeding mechanism, at this point, feeding mechanism forward direction is sent
Material, opening backstitch battery iron, and turnover panel lower end is backstitched the pulling of battery iron and stirred, and turnover panel is overturn around the point being hinged in vertical plate,
Turnover panel upper end pulls inner shaft, and the annular groove position of inner shaft moves, thus by two steel balls and annular groove in inner shaft
Position be changed, fallen in annular groove under the steel ball outside annular groove, steel ball in annular groove rises
To outside annular groove, the alternating of the first umbrella tooth tooth and the second umbrella tooth is completed, second driven shaft rotates backward, to drive feeding
Mechanism is reversed, and completes to backstitch.
The cell wall of annular groove is inclined-plane, the diameter of the spacing of two steel balls short 2 times of steel balls wider than the slot bottom of annular groove
Length.When guaranteeing that one of steel ball is risen to outside annular groove, another steel ball drops to annular groove slot bottom, avoids the occurrence of
The case where beating tooth, meanwhile, 2 times of length can occur certain in a flash, and two steel balls all in annular groove slot bottom, stop by two umbrella tooths
After vehicle, gear and umbrella tooth parking are stablized, a umbrella tooth is then quickly accessed, when avoiding the occurrence of umbrella tooth and being rotated forward with gear,
Unexpected steel ball insertion, beats tooth situation caused by the rotation of emergency brake approach axis.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of sewing machine bottom roller feeding reversing mechanism, it is characterised in that: including,
Rack, the rack include chassis, the shaft holder being arranged under chassis, electromagnet bracket and are arranged in chassis
On vertical frame；
Driving shaft, the driving shaft are arranged in the active shaft holder, and driving shaft one end connects power source, other end connection
Shackle member is flexibly connected pull rod in shackle member, and the pull rod other end is connected on unidirectional Bearing, and the driving shaft does positive and negative transhipment
It is dynamic；
First driven shaft, in first driven shaft, first driven shaft is located in shaft holder the unidirectional Peilin-cover, first from
Moving axis is equipped with opposite the first umbrella tooth and the second umbrella tooth；
Second driven shaft, the second driven shaft are located in vertical frame, and pass through chassis, and second driven shaft lower end is equipped with tooth
Wheel, and gear, between the first umbrella tooth and the second umbrella tooth, gear is engaged with the first umbrella tooth or the second umbrella tooth；
Commutate component, and the commutation component includes backstitching electromagnet, turnover panel and axle sleeve；The electromagnet that backstitches is fixed on electromagnet
On bracket, the shaft holder front end is equipped with vertical plate, is hinged with turnover panel in vertical plate, turnover panel is hinged in vertical plate, described
First driven shaft one end passes through vertical plate, and is cased with axle sleeve, and axle sleeve is equipped with annular groove, and the turnover panel upper end is equipped with sliding block card
In annular groove, the electromagnet that backstitches is hinged on turnover panel lower end.
2. a kind of sewing machine bottom roller feeding reversing mechanism according to claim 1, it is characterised in that: wherein driving shaft
Positive and negative rotation campaign is done, shackle member is driven to swing, the pull rod in shackle member pulls unidirectional Bearing to one-directionally rotate, to drive first
Driven shaft rotates, and the first umbrella tooth band moving gear in first driven shaft rotates, and gear drives second driven shaft rotation, and second is driven
Axis upper end is feeding mechanism, at this point, feeding mechanism forward direction feeding, opening backstitches battery iron, and turnover panel lower end is backstitched the drawing of battery iron
It firmly stirs, turnover panel is around the point overturning being hinged in vertical plate, and turnover panel upper end pulls first driven shaft, thus by the first umbrella tooth and tooth
Wheel separation, the second umbrella tooth are engaged with gear, and after the second umbrella tooth is engaged with gear, second driven shaft is rotated backward, and are sent to drive
Expect that mechanism is reversed, completes to backstitch.
3. a kind of sewing machine bottom roller feeding reversing mechanism according to claim 1, it is characterised in that: described first
Umbrella tooth and the second umbrella tooth are fixed in first driven shaft.
4. a kind of sewing machine bottom roller feeding reversing mechanism according to claim 1, it is characterised in that: described second from
Moving axis upper end connects feeding mechanism.
5. a kind of sewing machine bottom roller feeding reversing mechanism according to claim 4, it is characterised in that: the feeder
Structure includes third umbrella tooth, drawing-inroller and drawing-inroller fixing piece, and wherein drawing-inroller fixing piece is fixed on vertical frame top, and drawing-inroller is solid
Part is determined equipped with bearing, and third umbrella tooth is fixed on the top of second driven shaft, and the drawing-inroller center is equipped with axis, and axis passes through axis
It holds, drawing-inroller side is equipped with tooth, the tooth engagement of third umbrella tooth and drawing-inroller side wall.
6. a kind of sewing machine bottom roller feeding reversing mechanism according to claim 1, it is characterised in that: the unidirectional training
Casing is fixed in woods, casing is equipped with lateral long hole, and the first driven shaft is equipped with positioning pin, and positioning pin is located at laterally
In long hole.
7. a kind of sewing machine bottom roller feeding reversing mechanism according to claim 6, it is characterised in that: in described sleeve pipe
Equipped with slot, unidirectional Bearing inner wall is equipped with convex block, and convex block is stuck in slot, and completion casing is fixedly connected with unidirectional Bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910086228.XA CN109943985B (en) | 2019-01-29 | Lower roller feeding reversing mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910086228.XA CN109943985B (en) | 2019-01-29 | Lower roller feeding reversing mechanism of sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109943985A true CN109943985A (en) | 2019-06-28 |
| CN109943985B CN109943985B (en) | 2024-05-17 |
Family
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191122431A (en) * | 1911-10-11 | 1912-10-10 | H An Allbook | Improvements in Sewing Machines. |
| GB191318300A (en) * | 1913-08-12 | 1914-10-12 | Harold Joseph Charle Forrester | Pattern Cutting and Sewing Machines. |
| GB191413740A (en) * | 1914-06-06 | 1915-04-22 | Singer Mfg Co | Improvements in and connected with Friction Gearing. |
| GB191421246A (en) * | 1914-10-20 | 1915-09-23 | Wallace Fairweather | Improvements in and relating to Friction Gearing especially applicable to Sewing Machines. |
| FR594176A (en) * | 1925-02-26 | 1925-09-08 | Union Special Machine Co | Sewing machine for filled bags |
| DE822186C (en) * | 1949-10-19 | 1951-11-22 | Union Special Machine Co | Overlock sewing machine |
| US4276841A (en) * | 1979-09-24 | 1981-07-07 | The Singer Company | Stitch length and feed reversing control for a sewing machine |
| CN1313419A (en) * | 2000-03-13 | 2001-09-19 | 杨碧华 | Backsewing unit of industrial sewing machine |
| KR200287030Y1 (en) * | 2002-05-13 | 2002-08-29 | 정순영 | Supporting device for driving shaft of sewing machine |
| CN201099747Y (en) * | 2007-09-25 | 2008-08-13 | 肖修锋 | Automatic backstitch device of post bed with wheel feed needle feed and driver roller presser lockstitch sewing machine |
| DE102015207998B3 (en) * | 2015-04-30 | 2016-08-04 | Dürkopp Adler AG | Stitch length adjusting device for a sewing machine and sewing machine with such a stitch length adjusting device |
| CN205741539U (en) * | 2016-05-12 | 2016-11-30 | 本佳安凯（湖南）缝制机械有限公司 | A kind of high head comprehensive wheel feeding sewing machine backstitch mechanism |
| CN106400325A (en) * | 2016-05-30 | 2017-02-15 | 池州市旭豪机械有限公司 | Lower backstitch mechanism of sewing machine |
| CN108486775A (en) * | 2018-05-28 | 2018-09-04 | 池州市旭豪机械有限公司 | A kind of upper and lower roller type feeding sewing machine of oblique-arm type |
| CN207845952U (en) * | 2018-01-11 | 2018-09-11 | 浙江中捷缝纫科技有限公司 | A kind of transmission direction switching mechanism of sewing machine |
| CN208151613U (en) * | 2018-04-18 | 2018-11-27 | 周珂 | A kind of use in sewing machine roller being easily installed |
| CN208430297U (en) * | 2018-05-28 | 2019-01-25 | 池州市旭豪机械有限公司 | A kind of oblique-arm type sewing machine feeding mechanism |
| CN209741393U (en) * | 2019-01-29 | 2019-12-06 | 安徽杰羽制鞋机械科技有限公司 | Lower roller feeding reversing mechanism of sewing machine |
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191122431A (en) * | 1911-10-11 | 1912-10-10 | H An Allbook | Improvements in Sewing Machines. |
| GB191318300A (en) * | 1913-08-12 | 1914-10-12 | Harold Joseph Charle Forrester | Pattern Cutting and Sewing Machines. |
| GB191413740A (en) * | 1914-06-06 | 1915-04-22 | Singer Mfg Co | Improvements in and connected with Friction Gearing. |
| GB191421246A (en) * | 1914-10-20 | 1915-09-23 | Wallace Fairweather | Improvements in and relating to Friction Gearing especially applicable to Sewing Machines. |
| FR594176A (en) * | 1925-02-26 | 1925-09-08 | Union Special Machine Co | Sewing machine for filled bags |
| DE822186C (en) * | 1949-10-19 | 1951-11-22 | Union Special Machine Co | Overlock sewing machine |
| US4276841A (en) * | 1979-09-24 | 1981-07-07 | The Singer Company | Stitch length and feed reversing control for a sewing machine |
| CN1313419A (en) * | 2000-03-13 | 2001-09-19 | 杨碧华 | Backsewing unit of industrial sewing machine |
| KR200287030Y1 (en) * | 2002-05-13 | 2002-08-29 | 정순영 | Supporting device for driving shaft of sewing machine |
| CN201099747Y (en) * | 2007-09-25 | 2008-08-13 | 肖修锋 | Automatic backstitch device of post bed with wheel feed needle feed and driver roller presser lockstitch sewing machine |
| DE102015207998B3 (en) * | 2015-04-30 | 2016-08-04 | Dürkopp Adler AG | Stitch length adjusting device for a sewing machine and sewing machine with such a stitch length adjusting device |
| CN205741539U (en) * | 2016-05-12 | 2016-11-30 | 本佳安凯（湖南）缝制机械有限公司 | A kind of high head comprehensive wheel feeding sewing machine backstitch mechanism |
| CN106400325A (en) * | 2016-05-30 | 2017-02-15 | 池州市旭豪机械有限公司 | Lower backstitch mechanism of sewing machine |
| CN207845952U (en) * | 2018-01-11 | 2018-09-11 | 浙江中捷缝纫科技有限公司 | A kind of transmission direction switching mechanism of sewing machine |
| CN208151613U (en) * | 2018-04-18 | 2018-11-27 | 周珂 | A kind of use in sewing machine roller being easily installed |
| CN108486775A (en) * | 2018-05-28 | 2018-09-04 | 池州市旭豪机械有限公司 | A kind of upper and lower roller type feeding sewing machine of oblique-arm type |
| CN208430297U (en) * | 2018-05-28 | 2019-01-25 | 池州市旭豪机械有限公司 | A kind of oblique-arm type sewing machine feeding mechanism |
| CN209741393U (en) * | 2019-01-29 | 2019-12-06 | 安徽杰羽制鞋机械科技有限公司 | Lower roller feeding reversing mechanism of sewing machine |
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